3-6M: length 21 in, chest 22 in, hip 25 in, sleeve 9 in
6-9M: length 23 in, chest 23 in, hip 26 in, sleeve 10 in
9-12M: length 25 in, chest 23 in, hip 27 in, sleeve 11 in
12-18M: length 27 in, chest 24 in, hip 27 in, sleeve 11 in